I have a very basic app that allows users to update their wallpapers (backgrounds) with images from the app. The app recognizes which device you have and pulls images from a public image API. Currently the app only support iPhone's 4 & 5 .. & up to iOS 7.
Pull images from folder(s) on server instead of public API. A folder for each device...
Skills: apple xcode, objective-c, ios development, iphone app development